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Everything posted by Mark@Abbey m/s
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wideband oxygen sensor location 2005 350z
Mark@Abbey m/s replied to philw99's topic in Forced Induction
Passenger side (bank 2) always seem to run leaner on a FI car. Running an after market wide band in the ART pipe rear sensor position isn't really the right thing to do this is done to help stop throwing catalytic converter efficieny DTC by restricting flow to sensor so a wide band will also see a non honest signal. The wide banded AFR cars we will tune using the stock front wide bands figure from these is pretty good. The earlier cars like early DE JDM imports have narrow band sensors which are a little slower to respond. -
Both ways work in my opinion. From the motor will give a reading that will show how hard your working the oil. After the cooler will give you a reading that will show the cooler is working. Nissan read the oil temp on the HR in the sump casing which I think is in the feed from the oil pump to the oil filter. With a OBD reader and the oil temp sensor reading from after the oil cooler you can see how well your cooler is working.
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We spent a lot of time working on making the Jukes more usable. Tapering the boost in relation to engine speed and throttle position has helped a lot a far quicker and drivable car after a re-tune. The 2wd cars also like upgrading the the lower arm bushes to help torque steer and a good alignment set up works as well. We fitted different brake pads and brake lines to sort the brakes. I love our DIGT with its winters tyre's it is a pretty good winter car as well.
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The turbo response is also controlled via the PID closed loop control ( this is control via RPM/throttle/load) so this can be tuned with a front wheel drive car we also sped a lot of time with the throttle boost control so removing some throttle input lows the boost this will soften the power delivery making this to aggressive will de-spool the turbo thou Also the turbo response is control via the cams as the inlet/exhaust cam are variable controlled (again closed loop) these can be tweaked to help/control response. Advancing the inlet cam at low rpm/load will enchance the spool as I said we can make the response to aggressive. Nissan use a very complicated throttle control calibration, slow to fast maps speed threshold maps load maps on EcuTek these are all adjustable(tuneable) where as UpRev is way way behind on this part of the Nissan tuning, this makes all the difference a throttle open will make boost far quicker but we can calibrate the other parameters to make the power delivery softer even thou we are making boost. lots of things can be used to help spool. We can see full boost on the DIG T at around 2500rpm if we want to. Full boost is around 1.25/1.3 bar boost.
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Yes tuning the cam control/ boost control and retune the throttle maps will sort the response issues. Nissan seem to have dulled the motor on the QQ it seems. The 2wd Jukes we tune the car to remove to remove torque in relation to throttle position as these are are too aggressive.
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Nissan 370Z tuning with ECUTEK and bolt ons
Mark@Abbey m/s replied to Mark@Abbey m/s's topic in Abbey Motorsport
Hi, Yes got your email. Afraid I have been on holiday since last Friday back on the 4th. Your are registered for the discounted price. -
We have been tuning the Dig T and Nismo Juke's for a while. Get some real good gains from them. Beavis you QQ is de-tuned from the Juke Motors, really need a ECU dump from your car to or the guys @ EcuTek sort out the base tune. You willing to do this can sort a very good deal out in return for a base tune.
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What engine to fit in my car with a damaged engine???
Mark@Abbey m/s replied to cearnshaw85's topic in 350Z Technical
Hi, A Rev Up motor will fit as long as you have the complete engine loom and ECU. Just have the NATS turned off then a bolt in job. But we have found that the Rev Up Motor is more prone to using oil than the DE motors. There was a re-call on the Rev Ups for oil usage. The DE is a strange motor, low mileage doesn't always mean it is going to be a good motor these engines do suffer from oil usage, the issue comes from the oil control rings lose there springiness so don't clean the oil from the bores. We have seen high mileage abused motors that use no oil at all. Compression and cylinder leakage tests won't show this issue. If the car runs Cats it won't be shown with oil smoke as the cats clean the oil smoke running without cats will show with blue oil smoke. Personally I would have a motor rebuilt may cost a little extra but you know the motor is fresh and known. -
USED BERKS 350Z HR/370Z High Flow Cats
Mark@Abbey m/s replied to Mark@Abbey m/s's topic in Abbey Motorsport
SOLD Thanks -
USED BERKS 350Z HR/370Z High Flow Cats
Mark@Abbey m/s replied to Mark@Abbey m/s's topic in Abbey Motorsport
bump to top priced reduced to £150-00 shipped. payment via paypal please -
djtimo you got Syvecs fitted and tuned yet on the Zed?
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The only thing wrong with the DIY install is the car wont pick the fuel up from the other side of the fuel tank it needs the fuel pressure to be returned from the return pipe where the stock fuel pressure regulator is situated like in the CJ kit to syphon the fuel across from the side of the fuel tank without a fuel pump. Good info thou.
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It isn't just the fittings you need; As people had said the fuel pump module needs modifying; it does a lot more than just hold the fuel pump; Snippets from CJ web site; Far better to buy the kit from CJ and everything work. I feel it is a PITA to be in and out of the fuel tank One thing buy a new fuel pump module sealing O ring they absorb fuel and swell up making them a right pain to fit;
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Not as easy as just drilling the rail Tricky. Need all the stuff to convert the fuel pump assembly. Fuel return line as well and a fuel pressure reg 50 is completely different to a 70 as well.
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Easy job. What input you going to use? Let me know what you want to do.
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Nissan 370Z tuning with ECUTEK and bolt ons
Mark@Abbey m/s replied to Mark@Abbey m/s's topic in Abbey Motorsport
Cheap deal finishes end of 2015 , goes up to £500-00 inc vat for 2016 onwards. Book and pay deposit before the 24th or via PM before the start of 2016 to get this current discounted deal -
We have a pair of used Berks HFC's for sale on behalf of a customer , removed as they where to raspy for the customer. They have done 19K cat bricks still tight in casings; New gasket set included looking for £225-00 including shipping. Thanks
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VQ35HR - Intermittent misfire, no errors
Mark@Abbey m/s replied to Commander's topic in 350Z Technical
Commander, Hi. Where are you based in the UK? -
Big torque number is hub torque. Basically engine torque X drive ratio (gearbox X final drive) = 4.631 Divide hub torque by 4.631 you get flywheel torque.
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Bobby what are you thinking then? The HR gives a much bigger spread of torque then any of the other 350Z motors and with normal bolt ons will give 270/280 hub bhp easily , I have tuned a HR with PPE headers (don't know if there where the cheaper or more expensive merged collectors thou) car gave 290 hub bhp I seem to remember. Again stock air boxes work best we have found.
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the throttle pedal isn't connected to the butterfly with a cable , as Olly has said the car is fly by wire so no hard connection between the pedla and butterfly.
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I think you may see around a gain of 10bhp though out the rev range; Limiting factory will be rev limit , these cams will make the car want to rev on and the stock Alloy valve caps wont allow more than 7100rpm we feel.
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Some people Ray's fit over the 370Z brakes others say they don't Olly. Even running spacers may help the Rays fit.
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None of the DE(278bhp) powered cars where facelift models. Facelift was brought in for the RevUp(296bhp)powered cars. The GT4 model cars had early dash trims and early front bumpers. The normal edition cars had facelift bumpers and updated interior trims.